public override void Apply(ref AnimatableProperties props)
{
if (Direction == FadeDirection.In)
{
props.Opacity = (float)MathUtil.Lerp(0.0f, props.TargetOpacity, Value);
}
else
{
props.Opacity = (float)MathUtil.Lerp(0.0f, props.TargetOpacity, 1.0f - Value);
}
}
public override void Apply(ref AnimatableProperties props)
{
var bounds = props.TargetBounds;
var b = new Rectangle(bounds.X, bounds.Y, bounds.Width, bounds.Height);
switch (Direction)
{
case RevealDirection.FromLeft: {
b.Width = (int)MathUtil.Lerp(0.0, bounds.Width, Value);
}
break;
case RevealDirection.FromRight: {
double x = MathUtil.Lerp(bounds.X, bounds.X + bounds.Width, 1.0f - Value);
double w = MathUtil.Lerp(0.0, bounds.Width, Value);
b.X = (int)x;
b.Width = (int)w;
}
break;
case RevealDirection.FromTop: {
b.Height = (int)MathUtil.Lerp(0.0, bounds.Height, Value);
}
break;
case RevealDirection.FromBottom: {
double y = MathUtil.Lerp(bounds.Y, bounds.Y + bounds.Height, 1.0f - Value);
double h = MathUtil.Lerp(0.0, bounds.Height, Value);
b.Y = (int)y;
b.Height = (int)h;
}
break;
}
props.Bounds = b;
}
public abstract void Apply(ref AnimatableProperties props);